1030442323 has 2 divisors, whose sum is σ = 1030442324. Its totient is φ = 1030442322.

The previous prime is 1030442321. The next prime is 1030442327. The reversal of 1030442323 is 3232440301.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3232440301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030442323 - 2¹ = 1030442321 is a prime.

It is a super-2 number, since 2×1030442323² = 2123622762059272658, which contains 22 as substring.

Together with 1030442321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1030442294 and 1030442303.

It is not a weakly prime, because it can be changed into another prime (1030442321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515221161 + 515221162.

It is an arithmetic number, because the mean of its divisors is an integer number (515221162).

Almost surely, 2^1030442323 is an apocalyptic number.

1030442323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030442323 is an equidigital number, since it uses as much as digits as its factorization.

1030442323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1030442323 is about 32100.5034695719. The cubic root of 1030442323 is about 1010.0461773483.

Adding to 1030442323 its reverse (3232440301), we get a palindrome (4262882624).

The spelling of 1030442323 in words is "one billion, thirty million, four hundred forty-two thousand, three hundred twenty-three".